Preschoolers get sick frequently, and may expose their infant siblings to severe respiratory infection.
@meltemdaysal.bsky.social (Univ. of Copenhagen), Hui Ding (Fudan), @maya-rossin-slater.bsky.social (Stanford) & Hannes Schwandt (@sesp-nu.bsky.social) on the consequences:
youtu.be/WmRM2RUx_gU
